Buying a home in Alessandria
90,825 residents at the 2021 census, 28,039 buildings and 203.7 km² of territory, Piemonte.
Alessandria is in seismic zone 3: in this zone strong earthquakes are less likely than in zones 1 and 2. According to ISPRA’s mosaic, 0.3% of the territory of Alessandria has high or very high landslide hazard (P3 and P4), with 0.1% of the residents. 17.8% of the territory of Alessandria is in the flood area of the medium-probability scenario (P2), with 0.8% of the residents.
Find your address in Alessandria
The preview is free: the parcel, the seismic zone and the types of flags. The full dossier costs €29 including applicable VAT.
Alessandria compared
| ISPRA indicator | Alessandria | AL | Piemonte |
|---|---|---|---|
| Landslide, very high hazard (P4) | 0% | 2.7% | 3.1% |
| Landslide, high hazard (P3) | 0.3% | 3.9% | 3.7% |
| Landslide, areas of attention | 0% | 0% | 0% |
| Residents in landslide areas P3-P4 | 0.1% | 1.1% | 1.8% |
| Buildings in landslide areas P3-P4 | 0.2% | 3.8% | 4.4% |
| Flood, high probability (P3) | 16.9% | 9.2% | 5.1% |
| Flood, medium probability (P2) | 17.8% | 11.9% | 8.3% |
| Flood, low probability (P1) | 33.3% | 19.5% | 13% |
| Residents in P2 flood areas | 0.8% | 3.2% | 4.9% |
| Buildings in P2 flood areas | 1.5% | 4% | 5.8% |
Questions
Which seismic zone is Alessandria in?
Alessandria is in seismic zone 3: in this zone strong earthquakes are less likely than in zones 1 and 2.
How much of Alessandria is in landslide class P3/P4?
According to ISPRA’s mosaic, 0.3% of the territory of Alessandria has high or very high landslide hazard (P3 and P4), with 0.1% of the residents. By share of territory with landslide hazard P3-P4, Alessandria ranks 143rd of 187 municipalities in the province of Alessandria.
How much of Alessandria is in flood scenario P2?
17.8% of the territory of Alessandria is in the flood area of the medium-probability scenario (P2), with 0.8% of the residents. By share of territory in the P2 flood area, Alessandria ranks 43rd of 187 municipalities in the province of Alessandria.
Guides: seismic zone · landslides and floods · what to check before an offer. OMI prices: GEOPOI (how to read them).
Nearby municipalities
| Municipality | Seismic zone | Landslide P3-P4 | Flood P2 |
|---|---|---|---|
| Pietra Marazzi | 3 | 8.7% | 53.5% |
| Montecastello | 3 | 6% | 50.7% |
| Frugarolo | 3 | 0% | 9.2% |
| Rivarone | 3 | 1.9% | 54.4% |
| Pecetto di Valenza | 4 | 1.9% | 1.8% |
| Castelletto Monferrato | 4 | 1.1% | 4.1% |
Sources: ISPRA IdroGEO, Civil Protection, Istat (25 October 2026).
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